Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/netlab3.3/gmmprob.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/netlab3.3/gmmprob.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,26 @@ +function prob = gmmprob(mix, x) +%GMMPROB Computes the data probability for a Gaussian mixture model. +% +% Description +% This function computes the unconditional data density P(X) for a +% Gaussian mixture model. The data structure MIX defines the mixture +% model, while the matrix X contains the data vectors. Each row of X +% represents a single vector. +% +% See also +% GMM, GMMPOST, GMMACTIV +% + +% Copyright (c) Ian T Nabney (1996-2001) + +% Check that inputs are consistent +errstring = consist(mix, 'gmm', x); +if ~isempty(errstring) + error(errstring); +end + +% Compute activations +a = gmmactiv(mix, x); + +% Form dot product with priors +prob = a * (mix.priors)'; \ No newline at end of file